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CDC: Flu Activity Is Down, But The B Strain Virus Is Making Rounds

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CDC: Flu Activity Is Down, But The B Strain Virus Is Making Rounds
The CDC says flu activity as a whole is declining across the U.S., but there's a second wave of the B strain virus happening right now.
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Flu activity overall is dwindling across the United States, but the Centers for Disease Control and Prevention warns there's a different strain of the virus still circulating. 

Influenza B cases dominated the CDC's latest report, a strain the agency says can be more severe for children. Earlier in the flu season, influenza A H3N2 was more predominant, according to a CDC spokeswoman. While it's not unusual to see a second wave of the virus, experts won't know how severe it'll be until more data becomes available.  

In addition, five more flu-related pediatric deaths were reported, bringing the total number for the season to 133.  

The flu remains widespread in 17 states, which is why the CDC recommends a flu shot for people in those areas. It also cautions that it's possible to get sick with different strains of the virus in the same season.  

Additional reporting from Newsy affiliate CNN.